655552234312 has 32 divisors (see below), whose sum is σ = 1301675616000. Its totient is φ = 308445007104.

The previous prime is 655552234247. The next prime is 655552234373. The reversal of 655552234312 is 213432255556.

It is a super-2 number, since 2×655552234312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454273 + ... + 1231855.

It is an arithmetic number, because the mean of its divisors is an integer number (40677363000).

Almost surely, 2^655552234312 is an apocalyptic number.

It is an amenable number.

655552234312 is a deficient number, since it is larger than the sum of its proper divisors (646123381688).

655552234312 is a wasteful number, since it uses less digits than its factorization.

655552234312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783805 (or 783801 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 43.

Adding to 655552234312 its reverse (213432255556), we get a palindrome (868984489868).

The spelling of 655552234312 in words is "six hundred fifty-five billion, five hundred fifty-two million, two hundred thirty-four thousand, three hundred twelve".